package com.example.demo.controller;


import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

@Controller
//请求处理类
public class HelloController {
@RequestMapping("hello")
@ResponseBody
    public String hello(){
    System.out.println("hello");

        return "hello world";
    }

}
